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authorMichael Niedermayer <michaelni@gmx.at>2014-07-06 19:58:47 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-07-06 20:00:59 +0200
commit225c5cc8153588d61d65ec1afc1e843425d12785 (patch)
tree02f2f9de16b9b7b0c69b105dd37d893b52a4afe1
parent3a29af4efc608d63bac72bf1572aff45cab22766 (diff)
parent373a6dda5422186bc057297342a9e559a564595e (diff)
downloadffmpeg-225c5cc8153588d61d65ec1afc1e843425d12785.tar.gz
Merge commit '373a6dda5422186bc057297342a9e559a564595e'
* commit '373a6dda5422186bc057297342a9e559a564595e': cljr: split decoder and encoder Conflicts: libavcodec/Makefile libavcodec/cljrdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/Makefile4
-rw-r--r--libavcodec/cljrdec.c95
-rw-r--r--libavcodec/cljrenc.c (renamed from libavcodec/cljr.c)77
3 files changed, 102 insertions, 74 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index ecec9d00e5..10cc77cc62 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -169,8 +169,8 @@ OBJS-$(CONFIG_CDGRAPHICS_DECODER) += cdgraphics.o
OBJS-$(CONFIG_CDXL_DECODER) += cdxl.o
OBJS-$(CONFIG_CINEPAK_DECODER) += cinepak.o
OBJS-$(CONFIG_CINEPAK_ENCODER) += cinepakenc.o elbg.o
-OBJS-$(CONFIG_CLJR_DECODER) += cljr.o
-OBJS-$(CONFIG_CLJR_ENCODER) += cljr.o
+OBJS-$(CONFIG_CLJR_DECODER) += cljrdec.o
+OBJS-$(CONFIG_CLJR_ENCODER) += cljrenc.o
OBJS-$(CONFIG_CLLC_DECODER) += cllc.o
OBJS-$(CONFIG_COOK_DECODER) += cook.o
OBJS-$(CONFIG_COMFORTNOISE_DECODER) += cngdec.o celp_filters.o
diff --git a/libavcodec/cljrdec.c b/libavcodec/cljrdec.c
new file mode 100644
index 0000000000..2198072408
--- /dev/null
+++ b/libavcodec/cljrdec.c
@@ -0,0 +1,95 @@
+/*
+ * Cirrus Logic AccuPak (CLJR) decoder
+ * Copyright (c) 2003 Alex Beregszaszi
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Cirrus Logic AccuPak decoder.
+ */
+
+#include "avcodec.h"
+#include "libavutil/opt.h"
+#include "get_bits.h"
+#include "internal.h"
+
+static int decode_frame(AVCodecContext *avctx,
+ void *data, int *got_frame,
+ AVPacket *avpkt)
+{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ GetBitContext gb;
+ AVFrame * const p = data;
+ int x, y, ret;
+
+ if (avctx->height <= 0 || avctx->width <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid width or height\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (buf_size / avctx->height < avctx->width) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Resolution larger than buffer size. Invalid header?\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
+ return ret;
+ p->pict_type = AV_PICTURE_TYPE_I;
+ p->key_frame = 1;
+
+ init_get_bits(&gb, buf, buf_size * 8);
+
+ for (y = 0; y < avctx->height; y++) {
+ uint8_t *luma = &p->data[0][y * p->linesize[0]];
+ uint8_t *cb = &p->data[1][y * p->linesize[1]];
+ uint8_t *cr = &p->data[2][y * p->linesize[2]];
+ for (x = 0; x < avctx->width; x += 4) {
+ luma[3] = (get_bits(&gb, 5)*33) >> 2;
+ luma[2] = (get_bits(&gb, 5)*33) >> 2;
+ luma[1] = (get_bits(&gb, 5)*33) >> 2;
+ luma[0] = (get_bits(&gb, 5)*33) >> 2;
+ luma += 4;
+ *(cb++) = get_bits(&gb, 6) << 2;
+ *(cr++) = get_bits(&gb, 6) << 2;
+ }
+ }
+
+ *got_frame = 1;
+
+ return buf_size;
+}
+
+static av_cold int decode_init(AVCodecContext *avctx)
+{
+ avctx->pix_fmt = AV_PIX_FMT_YUV411P;
+ return 0;
+}
+
+AVCodec ff_cljr_decoder = {
+ .name = "cljr",
+ .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_CLJR,
+ .init = decode_init,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+};
+
diff --git a/libavcodec/cljr.c b/libavcodec/cljrenc.c
index d835870aeb..c672f800f6 100644
--- a/libavcodec/cljr.c
+++ b/libavcodec/cljrenc.c
@@ -1,5 +1,5 @@
/*
- * Cirrus Logic AccuPak (CLJR) codec
+ * Cirrus Logic AccuPak (CLJR) encoder
* Copyright (c) 2003 Alex Beregszaszi
*
* This file is part of FFmpeg.
@@ -21,82 +21,16 @@
/**
* @file
- * Cirrus Logic AccuPak codec.
+ * Cirrus Logic AccuPak encoder.
*/
-#include "avcodec.h"
+#include "libavutil/common.h"
#include "libavutil/opt.h"
-#include "get_bits.h"
+
+#include "avcodec.h"
#include "internal.h"
#include "put_bits.h"
-#if CONFIG_CLJR_DECODER
-static int decode_frame(AVCodecContext *avctx,
- void *data, int *got_frame,
- AVPacket *avpkt)
-{
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
- GetBitContext gb;
- AVFrame * const p = data;
- int x, y, ret;
-
- if (avctx->height <= 0 || avctx->width <= 0) {
- av_log(avctx, AV_LOG_ERROR, "Invalid width or height\n");
- return AVERROR_INVALIDDATA;
- }
-
- if (buf_size / avctx->height < avctx->width) {
- av_log(avctx, AV_LOG_ERROR,
- "Resolution larger than buffer size. Invalid header?\n");
- return AVERROR_INVALIDDATA;
- }
-
- if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
- return ret;
- p->pict_type = AV_PICTURE_TYPE_I;
- p->key_frame = 1;
-
- init_get_bits(&gb, buf, buf_size * 8);
-
- for (y = 0; y < avctx->height; y++) {
- uint8_t *luma = &p->data[0][y * p->linesize[0]];
- uint8_t *cb = &p->data[1][y * p->linesize[1]];
- uint8_t *cr = &p->data[2][y * p->linesize[2]];
- for (x = 0; x < avctx->width; x += 4) {
- luma[3] = (get_bits(&gb, 5)*33) >> 2;
- luma[2] = (get_bits(&gb, 5)*33) >> 2;
- luma[1] = (get_bits(&gb, 5)*33) >> 2;
- luma[0] = (get_bits(&gb, 5)*33) >> 2;
- luma += 4;
- *(cb++) = get_bits(&gb, 6) << 2;
- *(cr++) = get_bits(&gb, 6) << 2;
- }
- }
-
- *got_frame = 1;
-
- return buf_size;
-}
-
-static av_cold int decode_init(AVCodecContext *avctx)
-{
- avctx->pix_fmt = AV_PIX_FMT_YUV411P;
- return 0;
-}
-
-AVCodec ff_cljr_decoder = {
- .name = "cljr",
- .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_CLJR,
- .init = decode_init,
- .decode = decode_frame,
- .capabilities = CODEC_CAP_DR1,
-};
-#endif
-
-#if CONFIG_CLJR_ENCODER
typedef struct CLJRContext {
AVClass *avclass;
int dither_type;
@@ -186,4 +120,3 @@ AVCodec ff_cljr_encoder = {
AV_PIX_FMT_NONE },
.priv_class = &cljr_class,
};
-#endif